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Sam Vanga

Sam Vanga helps business people solve their data problems and enables them make data-driven-decisions. His specialties include data integration, data warehouse and database development, and BI design. Sam blogs at http://SamuelVanga.com.

Archives: February 2012

Write a Variable To a File Using SSIS


I’ve a SSIS package. When it fails execution, I want to write a custom message including the package name and error description to a text file.


One way to accomplish this is to declare a variable, populate it with the message you want, and write it’s value to… Read more

1 comments, 4,465 reads

Posted in Sam Vanga on 29 February 2012

Creating Your First SSAS 2012 Tabular Project

No matter how simple it is, new things come with some confusion; at least until you get used to it. Analysis Services 2012 Tabular is no different. This post will look at steps to create your first Tabular project.

Let’s start with firing up SQL Server Data Tools located under… Read more

0 comments, 4,373 reads

Posted in Sam Vanga on 21 February 2012

Be careful with two digit years

I recently had a scary conversation with a user, which can be broken down to:

User: Why would the data have customers with a birth date of MM/DD/2020?

Me: What are you talking about? Lemme take a look.

Me again, this time with a changed voice: Umm,… Read more

0 comments, 700 reads

Posted in Sam Vanga on 14 February 2012

LAST_VALUE() Analytic Function–SQL Server 2012

Earlier, i discussed FIRST_VALUE() function. FIRST_VALUE() returns the first value from an ordered set of records. Similarly LAST_VALUE() returns the last value for an ordered result set, but you are in for a bit of a surprise if you aren’t familiar with the enhancements to the SQL windows functions. Read more

0 comments, 2,516 reads

Posted in Sam Vanga on 7 February 2012